The Toughest Subject II on Earth—How Do You Drive America's Super-Heavy Rocket Transporter?

Imported Bearings

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Super cool mechanical series of speed bumps!

jixiepangke

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Starting with just an iron chain, relying entirely on pulling throughout the whole process #Log Grap

haoyongwujingongju

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The magic of 9v battery

haoyongwujingongju

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A lock with hidden secrets

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Relying on self-made hydropower facilities, Uncle builds a perfect farmland irrigation system

Chuangyimoxingjia

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Forging

moyuzhinai_02

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It is China's hammer that bears all the responsibility.

haoyongwujingongju

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【Alight motion】Irena is cute (20 likes project)

zer-0-0

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100% Success Rate! Baek Jong-won Teaches You How to Make: Korean-Style Pork and Kimchi Soup

palmer_collins_03

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Those super cool mechanical series of speed bumps~

jixiepangke

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I guarantee you've never heard these life hacks before

haoyongwujingongju

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As long as we don't lose our resolve, there will always be more solutions than problems.

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

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How are such precise molds made?

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Don't wait until you've lost something to regret not cherishing it—award-winning animated short film

palmer_collins_03

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Speed bumps!! A mechanical marvel men can't resist~

jixiepangke

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Stable posture

yifengd

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The Production Process of Cement Circular Pipes

jiajudarenmrwen

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Can you believe this is actually pufferfish poop?

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